(a) An angle measures 57°. What is the measure of its complement? (b) An angle measures 77º. What is the measure of its supplement?

For the equations below which statement is true ? -2x=14 6x=-42

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?